Patent US392667A successfully refreshed from Google Patents.
US392667A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring-hinge
Assignee: —
•
Filing: —
•
Granted: 1888-11-13
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Expires: 1905-11-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1207; E05Y; E05Y2900/00; E05Y2900/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1891-11-13 | 1892-05-14 | 1892-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1895-11-13 | 1896-05-14 | 1896-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1899-11-13 | 1900-05-15 | 1900-11-14 | $7700.00 | Window Closed / Lapsed |